221
FNUS56 KOTX 271125
FWFOTX
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO
NATIONAL WEATHER SERVICE SPOKANE WA
425 AM PDT THU AUG 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS
EVENING FOR FIRE ZONES 703, 706...
DISCUSSION
CENTRAL WA:
- ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS FOR SOUTHWEST WINDS
AND LOW RELATIVE HUMIDITY ON THURSDAY.
- NORTHWEST WIND SHIFT LATE THURSDAY AFTERNOON AND EVENING
EASTERN WA:
- ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS FROM SOUTH
TO SOUTHWEST WINDS ON THURSDAY.
- NORTHWEST WIND SHIFT OKANOGAN VALLEY THURSDAY EVENING
NORTH ID:
- ELEVATED FIRE WEATHER CONDITIONS FROM GUSTY SOUTHWEST WINDS
THURSDAY.
- FAIR TO GOOD HUMIDITY RECOVERY THURSDAY NIGHT
A COLD FRONT WILL PUSH THROUGH EARLY ON THURSDAY AND BREAK DOWN
THE HIGH PRESSURE RIDGE. THIS WILL BRING GUSTY SOUTHWESTERLY
WINDS WITH ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS
ON THURSDAY. WEATHER TRENDS COOLER WITH HIGHER RELATIVE HUMIDITY
THURSDAY THROUGH THE WEEKEND. SHOWERS WITH ISOLATED THUNDERSTORMS
EXPECTED OVER THE CASCADES AND NORTHERN MOUNTAINS ON SATURDAY.
***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.
CATEGORIES: LOW (< 200), MODERATE (200-500),
HIGH (500-800), AND VERY HIGH (> 800).
***************************************************************
WAZ696-698-280300-
EAST WASHINGTON CENTRAL CASCADES (ZONE 696)-
EAST WASHINGTON NORTH CASCADES (ZONE 698)-
INCLUDING THE CITIES OF STEVENS PASS, LAKE WENATCHEE AREA,
AND LEAVENWORTH
425 AM PDT THU AUG 27 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....71-81 VALLEYS AND 60-70 MOUNTAINS.
* 24 HR TREND........16 DEGREES COOLER VALLEYS, AND 11 DEGREES
COOLER MOUNTAINS.
* MIN HUMIDITY........21-30 PERCENT VALLEYS AND 27-40 PERCENT
MOUNTAINS.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 14 MPH. GUSTS UP TO 20 MPH IN THE
MORNING INCREASING TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST 6 TO 15 MPH. GUSTS UP TO 30 MPH.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (547) IN THE MORNING INCREASING TO VERY
HIGH (1077) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-59 VALLEYS AND 41-51 MOUNTAINS.
* 24 HR TREND........9 DEGREES COOLER.
* MAX HUMIDITY........65-80 PERCENT.
* 24 HR TREND........10 PERCENT WETTER.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 3 TO 14 MPH WITH GUSTS TO AROUND
30 MPH.
* RIDGES/UPR SLOPES....NORTHWEST 3 TO 14 MPH WITH GUSTS TO
AROUND 30 MPH.
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (621) IN THE EVENING DECREASING TO LOW
(135) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....70-80 VALLEYS AND 58-68 MOUNTAINS.
* MIN HUMIDITY........27-40 PERCENT VALLEYS AND 35-50 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (323) IN THE MORNING INCREASING TO
HIGH (751) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 48 TO
58 VALLEYS...41 TO 51 MOUNTAINS. HIGHS 61 TO 71 VALLEYS...50 TO
60 MOUNTAINS. WEST WIND 5 TO 15 MPH.
SUNDAY...PARTLY CLOUDY. LOWS 44 TO 54 VALLEYS
37 TO
47 MOUNTAINS. HIGHS 68 TO 78 VALLEYS...55 TO 65 MOUNTAINS. WEST
WIND UP TO 10 MPH.
MONDAY...MOSTLY CLOUDY. LOWS 48 TO 58 VALLEYS
41 TO
51 MOUNTAINS. HIGHS 70 TO 80 VALLEYS...58 TO 68 MOUNTAINS. WEST
WIND UP TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO
60 VALLEYS...42 TO 52 MOUNTAINS. HIGHS 66 TO 76 VALLEYS...56 TO
66 MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
48 TO 58 VALLEYS...40 TO 50 MOUNTAINS. HIGHS 61 TO 71 VALLEYS...
50 TO 60 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ697-280300-
EAST PORTION OF NORTH CASCADES NATIONAL PARK/LAKE CHELAN NATIONAL
RECREATION AREA (ZONE 697)-
INCLUDING THE CITY OF STEHEKIN
425 AM PDT THU AUG 27 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....70-80 VALLEYS AND 58-68 MOUNTAINS.
* 24 HR TREND........5 DEGREES COOLER.
* MIN HUMIDITY........30-45 PERCENT VALLEYS AND 40-55 PERCENT
MOUNTAINS.
* 24 HR TREND........10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....WEST 3 TO 13 MPH WITH GUSTS TO AROUND 25
MPH.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (358) IN THE MORNING INCREASING TO
HIGH (751) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....51-59 VALLEYS AND 42-52 MOUNTAINS.
* 24 HR TREND........UNCHANGED.
* MAX HUMIDITY........55-70 PERCENT VALLEYS AND 65-80 PERCENT
MOUNTAINS.
* 24 HR TREND........10 PERCENT WETTER VALLEYS, AND 15 PERCENT
WETTER MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 12 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....WEST 3 TO 12 MPH WITH GUSTS TO AROUND 25
MPH.
* MIXING HEIGHT.......3500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (495) IN THE EVENING DECREASING TO
LOW (120) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....69-79 VALLEYS AND 57-67 MOUNTAINS.
* MIN HUMIDITY........40-55 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....WEST 3 TO 10 MPH. GUSTS UP TO 20 MPH.
* MIXING HEIGHT.......5000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (293) IN THE MORNING INCREASING TO
HIGH (535) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN AND HIGH MOUNTAIN
SNOW SHOWERS. LOWS 49 TO 59 VALLEYS...40 TO 50 MOUNTAINS. HIGHS
60 TO 70 VALLEYS...47 TO 57 MOUNTAINS. WEST WIND 5 TO 15 MPH.
SUNDAY...PARTLY CLOUDY. LOWS 47 TO 55 VALLEYS
37 TO
47 MOUNTAINS. HIGHS 67 TO 77 VALLEYS...54 TO 64 MOUNTAINS. WEST
WIND 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 48 TO
58 VALLEYS...40 TO 50 MOUNTAINS. HIGHS 71 TO 81 VALLEYS...59 TO
69 MOUNTAINS. WEST WIND UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 51 TO
61 VALLEYS...42 TO 52 MOUNTAINS. HIGHS 66 TO 76 VALLEYS...53 TO
63 MOUNTAINS.
WEDNESDAY...RAIN SHOWERS LIKELY. LOWS 49 TO 59 VALLEYS
40 TO
50 MOUNTAINS. HIGHS 60 TO 70 VALLEYS...48 TO 58 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ704-280300-
METHOW VALLEY (ZONE 704)-
INCLUDING THE CITIES OF MAZAMA, WINTHROP, AND TWISP
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE AND AREAS OF SMOKE LATE IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....77-85.
* 24 HR TREND........11 DEGREES COOLER.
* MIN HUMIDITY........16-23 PERCENT.
* 24 HR TREND........UNCHANGED.
* 20-FOOT WINDS.......WEST 3 TO 14 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (510) IN THE MORNING INCREASING TO VERY
HIGH (1161) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-57.
* 24 HR TREND........3 DEGREES COOLER.
* MAX HUMIDITY........61-80 PERCENT.
* 24 HR TREND........15 PERCENT WETTER.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......NORTHWEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (732) IN THE EVENING DECREASING TO LOW
(59) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....74-83.
* MIN HUMIDITY........22-28 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 7 MPH.
* MIXING HEIGHT.......9500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (353) IN THE MORNING INCREASING TO
VERY HIGH (817) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 57. HIGHS 66 TO 76. NORTHWEST WIND UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS 70 TO 79. WEST WIND
UP TO 5 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 47 TO 56. HIGHS 72 TO 81. SOUTHWEST
WIND UP TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 49 TO
58. HIGHS 71 TO 80.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
47 TO 56. HIGHS 65 TO 73.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ703-280300-
OKANOGAN VALLEY (ZONE 703)-
INCLUDING THE CITIES OF CONCONULLY AND OMAK
425 AM PDT THU AUG 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS
EVENING...
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE IN THE MORNING.
HAZE THROUGH THE DAY. AREAS OF SMOKE LATE IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-88.
* 24 HR TREND........14 DEGREES COOLER.
* MIN HUMIDITY........16-19 PERCENT.
* 24 HR TREND........2 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH 6 TO 15 MPH THEN SOUTHWEST 15 TO 25
MPH WITH GUSTS UP TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (610) IN THE MORNING INCREASING TO VERY
HIGH (1599) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....51-56.
* 24 HR TREND........8 DEGREES COOLER.
* MAX HUMIDITY........55-70 PERCENT.
* 24 HR TREND........15 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......NORTHWEST 6 TO 17 MPH. GUSTS UP TO 35 MPH IN
THE EVENING.
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (873) IN THE EVENING DECREASING TO
LOW (46) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE EARLY IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....75-84.
* MIN HUMIDITY........22-30 PERCENT.
* 20-FOOT WINDS.......NORTHWEST 3 TO 5 MPH IN THE MORNING SHIFTING
TO THE SOUTH 3 TO 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (222) IN THE MORNING INCREASING TO
VERY HIGH (872) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 52 TO
57. HIGHS 68 TO 77. NORTHWEST WIND 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 48 TO 54. HIGHS 70 TO 79. SOUTHWEST
WIND UP TO 10 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 50 TO 57. HIGHS 74 TO 82. SOUTHWEST
WIND UP TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 53 TO 58. HIGHS 74 TO 82.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
51 TO 56. HIGHS 67 TO 76.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ702-280300-
COLVILLE RESERVATION (ZONE 702)-
INCLUDING THE CITIES OF NESPELEM AND KELLER
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE IN THE MORNING.
HAZE LATE IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....77-87 VALLEYS AND 70-79 MOUNTAINS.
* 24 HR TREND........10 DEGREES COOLER.
* MIN HUMIDITY........18-24 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 5 TO 16 MPH. GUSTS UP TO 30 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 5 TO 16 MPH. GUSTS UP TO 20 MPH IN
THE MORNING INCREASING TO 30 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (635) IN THE MORNING INCREASING TO VERY
HIGH (1525) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
HAZE EARLY IN THE EVENING. AREAS OF SMOKE THROUGH THE NIGHT. HAZE
EARLY IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-55.
* 24 HR TREND........9 DEGREES COOLER.
* MAX HUMIDITY........55-65 PERCENT.
* 24 HR TREND........15 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....WEST 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH IN THE EVENING SHIFTING TO THE NORTHWEST 3 TO 6 MPH
OVERNIGHT.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1194) IN THE EVENING DECREASING TO
LOW (37) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY. HAZE AND AREAS OF SMOKE IN THE
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....72-82 VALLEYS AND 65-74 MOUNTAINS.
* MIN HUMIDITY........24-30 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST UP TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 7 MPH.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (334) IN THE MORNING INCREASING TO
HIGH (739) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 49 TO
55. HIGHS 67 TO 77 VALLEYS...59 TO 69 MOUNTAINS. WEST WIND UP TO
10 MPH.
SUNDAY...PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 68 TO 78 VALLEYS
61 TO 70 MOUNTAINS. WEST WIND UP TO 5 MPH.
MONDAY...MOSTLY CLOUDY. LOWS 48 TO 53. HIGHS 73 TO 83 VALLEYS
65 TO 74 MOUNTAINS. SOUTHEAST WIND UP TO 5 MPH.
TUESDAY...MOSTLY CLOUDY. LOWS 51 TO 56. HIGHS 71 TO 80 VALLEYS
64 TO 73 MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
49 TO 54. HIGHS 65 TO 75 VALLEYS...57 TO 67 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ699-280300-
OKANOGAN HIGHLANDS AND KETTLE MOUNTAINS (ZONE 699)-
INCLUDING THE CITIES OF REPUBLIC AND CURLEW
425 AM PDT THU AUG 27 2026
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-89 VALLEYS AND 70-79 MOUNTAINS.
* 24 HR TREND........10 DEGREES COOLER.
* MIN HUMIDITY........17-26 PERCENT.
* 24 HR TREND........1 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 3 TO 13 MPH WITH GUSTS TO AROUND 25
MPH.
* RIDGES/UPR SLOPES....SOUTH 3 TO 13 MPH. GUSTS UP TO 20 MPH IN THE
MORNING INCREASING TO 30 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTH 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (928) IN THE MORNING INCREASING TO
VERY HIGH (1668) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
HAZE AND AREAS OF SMOKE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-53.
* 24 HR TREND........9 DEGREES COOLER.
* MAX HUMIDITY........61-80 PERCENT.
* 24 HR TREND........25 PERCENT WETTER.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 11 MPH WITH GUSTS TO AROUND
25 MPH IN THE EVENING SHIFTING TO THE NORTHWEST UP TO 5 MPH
OVERNIGHT.
* RIDGES/UPR SLOPES....WEST 3 TO 11 MPH WITH GUSTS TO AROUND 25 MPH
IN THE EVENING SHIFTING TO THE NORTHWEST 3 TO 6 MPH
OVERNIGHT.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1243) IN THE EVENING DECREASING TO
LOW (43) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY. HAZE IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-82 VALLEYS AND 66-74 MOUNTAINS.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...LIGHT WINDS IN THE MORNING BECOMING
SOUTHWEST 3 TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST UP TO 3 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......9000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (317) IN THE MORNING INCREASING TO
VERY HIGH (912) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO
54. HIGHS 66 TO 76 VALLEYS...58 TO 67 MOUNTAINS. WEST WIND UP TO
5 MPH.
SUNDAY...PARTLY CLOUDY. LOWS 41 TO 50. HIGHS 67 TO 77 VALLEYS
60 TO 70 MOUNTAINS. WEST WIND UP TO 5 MPH.
MONDAY...MOSTLY CLOUDY. LOWS 44 TO 52. HIGHS 72 TO 82 VALLEYS
65 TO 74 MOUNTAINS. SOUTH WIND UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
46 TO 55. HIGHS 71 TO 81 VALLEYS...63 TO 73 MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS
45 TO 54. HIGHS 64 TO 74 VALLEYS...57 TO 67 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ700-701-280300-
SELKIRK MOUNTAINS OF NORTHEAST WASHINGTON (ZONE 700)-
FOOTHILLS OF NORTHEAST WASHINGTON (ZONE 701)-
INCLUDING THE CITIES OF METALINE FALLS, IONE, COLVILLE,
DEER PARK, AND NEWPORT
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE IN THE MORNING.
HAZE THROUGH THE DAY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-87 VALLEYS AND 70-80 MOUNTAINS.
* 24 HR TREND........9 DEGREES COOLER.
* MIN HUMIDITY........21-28 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 13 MPH. GUSTS UP TO 30 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 13 MPH. GUSTS UP TO 30 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (471) IN THE MORNING INCREASING TO
VERY HIGH (1441) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. HAZE LATE IN THE EVENING.
AREAS OF SMOKE IN THE LATE EVENING AND OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....45-54.
* 24 HR TREND........9 DEGREES COOLER.
* MAX HUMIDITY........61-80 PERCENT VALLEYS AND 55-70 PERCENT
MOUNTAINS.
* 24 HR TREND........25 PERCENT WETTER VALLEYS, AND 10 PERCENT
WETTER MOUNTAINS.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 12 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 12 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1251) IN THE EVENING DECREASING TO
LOW (39) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE AND HAZE IN THE
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-80 VALLEYS AND 64-73 MOUNTAINS.
* MIN HUMIDITY........24-30 PERCENT VALLEYS AND 28-40 PERCENT
MOUNTAINS.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH UP TO 7 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST UP TO 7 MPH.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (478) IN THE MORNING INCREASING TO
VERY HIGH (872) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 44 TO
53. HIGHS 68 TO 75 VALLEYS...58 TO 67 MOUNTAINS. SOUTH WIND UP TO
10 MPH.
SUNDAY...PARTLY CLOUDY. LOWS 40 TO 50. HIGHS 68 TO 75 VALLEYS
58 TO 68 MOUNTAINS. SOUTHWEST WIND UP TO 5 MPH.
MONDAY...PARTLY CLOUDY. LOWS 41 TO 51. HIGHS 74 TO 81 VALLEYS
64 TO 74 MOUNTAINS. SOUTHEAST WIND UP TO 5 MPH.
TUESDAY...MOSTLY CLOUDY. LOWS 44 TO 54. HIGHS 73 TO 80 VALLEYS
63 TO 72 MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 43 TO
53. HIGHS 66 TO 73 VALLEYS...56 TO 66 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
IDZ101-280300-
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-
INCLUDING THE CITIES OF ST. MARIES, RATHDRUM PRAIRIE,
SILVER VALLEY, BONNERS FERRY, AND PRIEST LAKE
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........PARTLY SUNNY. HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....80-88 VALLEYS AND 71-81 MOUNTAINS.
* 24 HR TREND........11 DEGREES COOLER.
* MIN HUMIDITY........22-30 PERCENT.
* 24 HR TREND........1 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST UP TO 11 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (314) IN THE MORNING INCREASING TO
VERY HIGH (1259) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE AND HAZE
OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....48-57.
* 24 HR TREND........7 DEGREES COOLER.
* MAX HUMIDITY........60-75 PERCENT VALLEYS AND 50-60 PERCENT
MOUNTAINS.
* 24 HR TREND........15 PERCENT WETTER VALLEYS, AND 5 PERCENT
WETTER MOUNTAINS.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 13 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 13 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* MIXING HEIGHT.......5500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1011) IN THE EVENING DECREASING TO
LOW (49) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE AND AREAS OF SMOKE IN THE
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....74-80 VALLEYS AND 65-75 MOUNTAINS.
* MIN HUMIDITY........25-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST 3 TO 9 MPH WITH GUSTS TO AROUND 20
MPH.
* MIXING HEIGHT.......7000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (577) IN THE MORNING INCREASING TO VERY
HIGH (1077) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 47 TO
56. HIGHS 68 TO 75 VALLEYS...59 TO 69 MOUNTAINS. SOUTHWEST WIND
UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 42 TO 51.
HIGHS 66 TO 73 VALLEYS...56 TO 66 MOUNTAINS. SOUTHWEST WIND UP TO
10 MPH.
MONDAY...PARTLY CLOUDY. LOWS 42 TO 51. HIGHS 75 TO 82 VALLEYS
66 TO 76 MOUNTAINS. SOUTH WIND UP TO 5 MPH.
TUESDAY...PARTLY CLOUDY. LOWS 47 TO 56. HIGHS 73 TO 79 VALLEYS
64 TO 74 MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 45 TO
54. HIGHS 67 TO 73 VALLEYS...57 TO 67 MOUNTAINS.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ707-280300-
WESTERN COLUMBIA BASIN (ZONE 707)-
INCLUDING THE CITIES OF MOSES LAKE AND EPHRATA
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. HAZE EARLY
IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....83-88.
* 24 HR TREND........9 DEGREES COOLER.
* MIN HUMIDITY........14-22 PERCENT.
* 24 HR TREND........1 PERCENT DRIER.
* 20-FOOT WINDS.......SOUTHWEST 6 TO 17 MPH. GUSTS UP TO 25 MPH IN
THE MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (567) IN THE MORNING INCREASING TO VERY
HIGH (1410) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE IN THE EVENING.
HAZE IN THE LATE EVENING AND OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....49-59.
* 24 HR TREND........9 DEGREES COOLER.
* MAX HUMIDITY........70-80 PERCENT.
* 24 HR TREND........25 PERCENT WETTER.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......WEST 5 TO 16 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1132) IN THE EVENING DECREASING TO
LOW (63) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE EARLY IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-84.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (335) IN THE MORNING INCREASING TO
VERY HIGH (820) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS
73 TO 79. SOUTHWEST WIND 4 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 55. HIGHS 79 TO 84. WEST WIND
UP TO 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 50 TO 59. HIGHS 76 TO 81.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 48 TO
57. HIGHS 73 TO 78.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ708-280300-
EASTERN COLUMBIA BASIN - PALOUSE - SPOKANE AREA (ZONE 708)-
INCLUDING THE CITIES OF SPOKANE, PULLMAN, RITZVILLE, WILBUR,
AND CHENEY
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........PARTLY SUNNY. AREAS OF SMOKE EARLY IN THE
MORNING. HAZE IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....82-88.
* 24 HR TREND........9 DEGREES COOLER.
* MIN HUMIDITY........20-24 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 6 TO 17 MPH. GUSTS UP TO 25 MPH IN
THE MORNING INCREASING TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (512) IN THE MORNING INCREASING TO VERY
HIGH (1449) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. HAZE AND AREAS OF SMOKE IN THE
LATE EVENING AND OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....47-55.
* 24 HR TREND........12 DEGREES COOLER.
* MAX HUMIDITY........65-80 PERCENT.
* 24 HR TREND........30 PERCENT WETTER.
* HUMIDITY RECOVERY...GOOD.
* 20-FOOT WINDS.......SOUTHWEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* MIXING HEIGHT.......6500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1295) IN THE EVENING DECREASING TO
LOW (53) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE EARLY IN THE
MORNING. HAZE IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....77-83.
* MIN HUMIDITY........24-29 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (502) IN THE MORNING INCREASING TO HIGH
(791) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. LOWS 47 TO 55. HIGHS 71 TO 79.
SOUTHWEST WIND 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 43 TO 51. HIGHS 71 TO 78. SOUTHWEST
WIND UP TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 43 TO 51. HIGHS 79 TO 86. SOUTHEAST
WIND UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 48 TO 55. HIGHS 76 TO 83.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 46 TO
53. HIGHS 71 TO 79.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ709-280300-
LOWER PALOUSE - SNAKE RIVER (ZONE 709)-
INCLUDING THE CITY OF POMEROY
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........PARTLY SUNNY. HAZE EARLY IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....80-90.
* 24 HR TREND........10 DEGREES COOLER.
* MIN HUMIDITY........23-30 PERCENT.
* 24 HR TREND........7 PERCENT WETTER.
* 20-FOOT WINDS.......WEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......5500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (435) IN THE MORNING INCREASING TO
VERY HIGH (1000) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....54-57.
* 24 HR TREND........10 DEGREES COOLER.
* MAX HUMIDITY........55-70 PERCENT.
* 24 HR TREND........15 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......SOUTHWEST 4 TO 15 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* MIXING HEIGHT.......5000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (948) IN THE EVENING DECREASING TO
LOW (72) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....76-86.
* MIN HUMIDITY........22-30 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 8 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......6000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (441) IN THE MORNING INCREASING TO
HIGH (704) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS
70 TO 80. SOUTHWEST WIND 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS NEAR 50. HIGHS 70 TO 80. SOUTHWEST
WIND UP TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS NEAR 50. HIGHS 78 TO 88. SOUTH WIND
UP TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE 50S. HIGHS 75 TO 85.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE
LOWER TO MID 50S. HIGHS 71 TO 81.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ706-280300-
WATERVILLE PLATEAU (ZONE 706)-
INCLUDING THE CITIES OF WATERVILLE AND GRAND COULEE
425 AM PDT THU AUG 27 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS
EVENING...
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....79-86.
* 24 HR TREND........10 DEGREES COOLER.
* MIN HUMIDITY........19-22 PERCENT.
* 24 HR TREND........3 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST 7 TO 15 MPH INCREASING TO 15 TO 25
MPH WITH GUSTS UP TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......7500 FT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (567) IN THE MORNING INCREASING TO VERY
HIGH (1479) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-57.
* 24 HR TREND........10 DEGREES COOLER.
* MAX HUMIDITY........60-75 PERCENT.
* 24 HR TREND........20 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......WEST 7 TO 18 MPH. GUSTS UP TO 35 MPH IN THE
EVENING DECREASING TO 25 MPH OVERNIGHT.
* MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...VERY HIGH (1004) IN THE EVENING DECREASING TO
LOW (64) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING SUNNY. HAZE IN
THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....76-83.
* MIN HUMIDITY........24-28 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......8500 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (241) IN THE MORNING INCREASING TO
VERY HIGH (908) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS
69 TO 78. SOUTHWEST WIND 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 49 TO 56. HIGHS 75 TO 82. SOUTHWEST
WIND UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 52 TO 58. HIGHS 73 TO 80.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO
56. HIGHS 68 TO 75.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ705-280300-
FOOTHILLS OF CENTRAL WASHINGTON CASCADES (ZONE 705)-
INCLUDING THE CITIES OF CHELAN AND WENATCHEE
425 AM PDT THU AUG 27 2026
...GUSTY WINDS AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON
THROUGH THIS EVENING...
TODAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....75-85.
* 24 HR TREND........17 DEGREES COOLER.
* MIN HUMIDITY........20-27 PERCENT.
* 24 HR TREND........1 PERCENT WETTER.
* 20-FOOT WINDS.......WEST 5 TO 16 MPH. GUSTS UP TO 20 MPH IN THE
MORNING INCREASING TO 30 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......6500 FT AGL.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (608) IN THE MORNING INCREASING TO VERY
HIGH (1118) IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE AND HAZE.
* CHANCE OF LIGHTNING...0 PERCENT.
* MIN TEMPERATURE.....50-60.
* 24 HR TREND........11 DEGREES COOLER.
* MAX HUMIDITY........55-70 PERCENT.
* 24 HR TREND........10 PERCENT WETTER.
* HUMIDITY RECOVERY...FAIR.
* 20-FOOT WINDS.......WEST 5 TO 16 MPH WITH GUSTS TO AROUND 30 MPH.
* MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.
* TRANSPORT WINDS.....WEST 10 TO 20 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...HIGH (762) IN THE EVENING DECREASING TO LOW
(64) OVERNIGHT.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. HAZE IN THE
MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* MAX TEMPERATURE.....73-83.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......WEST 3 TO 7 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......8000 FT AGL.
* TRANSPORT WINDS.....WEST 5 TO 15 MPH.
* CWR (> 0.10 IN).....0 PERCENT.
* VENTILATION INDEX...MODERATE (244) IN THE MORNING INCREASING TO
VERY HIGH (832) IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS 48 TO 58. HIGHS
69 TO 79. WEST WIND 4 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 51 TO 59. HIGHS 72 TO 82. WEST WIND
UP TO 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 52 TO 61. HIGHS 70 TO 80.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS 50 TO
58. HIGHS 65 TO 75.
.8 TO 14 DAY OUTLOOK FOR SEP 03 - 09 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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